Tassilo Horn writes:
> I fixed the definition directly in the swank-clojure-1.3.4.jar and then
> wanted to write a patch against clj-stacktrace's git master branch. As
> it turns out, it's already fixed in there. Funnily, it was Phil himself
> who committed that patch written by Michael van Ack
> I fixed the definition directly in the swank-clojure-1.3.4.jar and then
> wanted to write a patch against clj-stacktrace's git master branch. As
> it turns out, it's already fixed in there. Funnily, it was Phil himself
> who committed that patch written by Michael van Acken.
>
> Phil, maybe you
Tassilo Horn writes:
Hi again,
> Maybe the problem is that clj-stacktrace stumbles upon those names?
>
> But on the other hand: since *e contains the last exception and that
> is the divide by zero exception and not some exception from
> clj-stacktrace, this doesn't seem very likely...
Debuggin
David Nolen writes:
Hi David,
> Do you see the same issue when working with lazy sequences? We
> definitely don't eat exceptions.
No, exceptions in lazy sequences show up fine.
(defn blow-up [i]
(map #(/ 1 %) (iterate inc i)))
(take 200 (blow-up -100))
;Divide by zero
; [Thrown c
Do you see the same issue when working with lazy sequences? We definitely
don't eat exceptions.
On Monday, January 9, 2012, Tassilo Horn wrote:
> Phil Hagelberg writes:
>
> Hi Phil,
>
>>> One thing that really made the programming extremely hard was that I
>>> don't get any backtraces if an exce
Phil Hagelberg writes:
Hi Phil,
>> One thing that really made the programming extremely hard was that I
>> don't get any backtraces if an exception occurs inside a `run'. For
>> example, I get this in SLIME with M-x clojure-jack-in RET.
>
>> (defn wrongo [a b] false) ;; intentionally
Tassilo Horn writes:
> One thing that really made the programming extremely hard was that I
> don't get any backtraces if an exception occurs inside a `run'. For
> example, I get this in SLIME with M-x clojure-jack-in RET.
> (defn wrongo [a b] false) ;; intentionally broken
> ;=> #'
Great! Thanks
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Mark writes:
Hi Mark,
> I'm very interested in using core.logic to query a relational database
> or other data store. I figure querying custom java objects is a good
> example of how to tackle this problem.
>
> Would you mind posting your code somewhere?
I want to write a blog posting about it
Phil Hagelberg writes:
Hi Phil,
>> (run* [q] (wrongo 1 2))
>> ; ClassCastException java.lang.Boolean cannot be cast to
>> ; clojure.lang.IFn clojure.core.logic.Substitutions (logic.clj:207)
>>
>> But where is my backtrace?
>
> The Clojure REPL has actually never provided stack traces for
Tassilo Horn writes:
> The "; Evaluation aborted." instantly appears. No backtrace, no error
> message, not even in the *swank* buffer.
>
> If I use a plain "lein repl" instead, I get at least an error message:
>
> (run* [q] (wrongo 1 2))
> ; ClassCastException java.lang.Boolean cannot be ca
I'm very interested in using core.logic to query a relational database or
other data store. I figure querying custom java objects is a good example
of how to tackle this problem.
Would you mind posting your code somewhere?
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Anthony Grimes writes:
Hi Anthony,
> The last stacktrace that occurred in a REPL is bound to *e. Try
> (.printStackTrace *e). That should work in the REPL. Might not in
> SLIME.
Yes, that does the trick. Ambrose also pointed me to (clojure.repl/pst
*e) which is as good.
Thanks,
Tassilo
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Y
The last stacktrace that occurred in a REPL is bound to *e. Try
(.printStackTrace *e). That should work in the REPL. Might not in SLIME.
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Not
Hi all,
I'm still playing around with core.logic and managed to define relations
that allow for querying my custom java datastructures with it. Thanks a
ton to Ambrose, who has helped me a lot!
One thing that really made the programming extremely hard was that I
don't get any backtraces if an ex
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